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Structural features of donor's kidney may predict recipient's compatibility

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ANI  |  Health 

A donor's kidney structure may predict the success or failure of kidney transplant in the recipient's body, a new study as suggested.

The findings will appear in the upcoming issue of JASN.

The study may help clinicians as they evaluate the quality of organs at the time of transplantation. The quality of donated kidneys obtained from living donors is often inferred from their age, risk factors, and kidney function.

Although living kidney donors are extensively evaluated to ensure that they have good and that they do not have any medical conditions that would disqualify them from donating, subtle injuries in the donated kidney tissue may not be detected through standard evaluations.

When a team led by Andrew Rule, MD and Naim Issa, MD (Mayo Clinic, in Rochester) evaluated 2,293 kidney donor-recipient pairs, the investigators discovered that some very subtle structural features of the donated kidney may influence the longevity of the kidney in the recipient.

For example, minimal scarring of the kidney or hardening of its vessels, as well as a larger size of nephrons--the microscopic functional units of the kidney--observed in biopsies at the time of donation were associated with a shorter lifespan of the transplanted kidney in recipients, regardless of other donor or recipient characteristics that are known to affect the longevity of donated kidneys.

"We think that these subtle features in the living donor kidney make the recipient more susceptible to lose the kidney transplant over time," said Dr Issa.

"These important findings may provide insights into previously unrecognized predictors of kidney transplant failure in recipients," Dr Issa concluded.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

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First Published: Fri, January 24 2020. 11:15 IST
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